3648688 has 20 divisors (see below), whose sum is σ = 7099000. Its totient is φ = 1816704.

The previous prime is 3648683. The next prime is 3648691. The reversal of 3648688 is 8868463.

It is not an unprimeable number, because it can be changed into a prime (3648683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7063 + ... + 7561.

It is an arithmetic number, because the mean of its divisors is an integer number (354950).

Almost surely, 2^3648688 is an apocalyptic number.

It is an amenable number.

3648688 is a deficient number, since it is larger than the sum of its proper divisors (3450312).

3648688 is a wasteful number, since it uses less digits than its factorization.

3648688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 958 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 3648688 is about 1910.1539204996. The cubic root of 3648688 is about 153.9497221602.

The spelling of 3648688 in words is "three million, six hundred forty-eight thousand, six hundred eighty-eight".